* SEACOR MARINE - CO, CARLYLE GROUP ALSO AGREED TO AMEND NOTES THAT WILL REMAIN OUTSTANDING TO INCREASE COUPON FROM 3.75% PER ANNUM TO 4.25% PER ANNUM

* SEACOR MARINE - CO, CARLYLE GROUP ALSO AGREED TO AMEND NOTES TO EXTEND MATURITY OF NOTES BY 12 MONTHS TO DECEMBER 2023 Source text for Eikon: Further company coverage: (Reuters.Briefs@thomsonreuters.com)